年份 | 博茨瓦纳 |
---|---|
2023 | - |
2022 | 3.2651 |
2021 | 3.21884 |
2020 | 3.16955 |
2019 | 3.11342 |
2018 | 3.05682 |
2017 | 2.99832 |
2016 | 2.93593 |
2015 | 2.87106 |
2014 | 2.80543 |
2013 | 2.73983 |
2012 | 2.67477 |
2011 | 2.61036 |
2010 | 2.54518 |
2009 | 2.47853 |
2008 | 2.39107 |
2007 | 2.28662 |
2006 | 2.19152 |
2005 | 2.10555 |
2004 | 2.02869 |
2003 | 1.99125 |
2002 | 1.99243 |
2001 | 2.00561 |
2000 | 2.02881 |
1999 | 2.05661 |
1998 | 2.08945 |
1997 | 2.1251 |
1996 | 2.1596 |
1995 | 2.19023 |
1994 | 2.21816 |
1993 | 2.24419 |
1992 | 2.26585 |
1991 | 2.27429 |
1990 | 2.26815 |
1989 | 2.25128 |
1988 | 2.21913 |
1987 | 2.18043 |
1986 | 2.15511 |
1985 | 2.15561 |
1984 | 2.18268 |
1983 | 2.24023 |
1982 | 2.31704 |
1981 | 2.38824 |
1980 | 2.43102 |
1979 | 2.43835 |
1978 | 2.41029 |
1977 | 2.34749 |
1976 | 2.27211 |
1975 | 2.20156 |
1974 | 2.13284 |
1973 | 2.0613 |
1972 | 2.0018 |
1971 | 1.96867 |
1970 | 1.9571 |
1969 | 1.96347 |
1968 | 1.99667 |
1967 | 2.0541 |
1966 | 2.12778 |
1965 | 2.21168 |
1964 | 2.31569 |
1963 | 2.44908 |
1962 | 2.59055 |
1961 | 2.70712 |
1960 | 2.78187 |